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Find the Interval of Convergence Of n=0(3x)n3n+1\sum _ { n = 0 } ^ { \infty } \frac { ( - 3 x ) ^ { n } } { 3 n + 1 }

Question 120

Multiple Choice

Find the interval of convergence of n=0(3x) n3n+1\sum _ { n = 0 } ^ { \infty } \frac { ( - 3 x ) ^ { n } } { 3 n + 1 } .


A) (13,13) \left( - \frac { 1 } { 3 } , \frac { 1 } { 3 } \right)
B) (13,13]\left( - \frac { 1 } { 3 } , \frac { 1 } { 3 } \right]
C) [13,13) \left[ - \frac { 1 } { 3 } , \frac { 1 } { 3 } \right)
D) [13,13]\left[ - \frac { 1 } { 3 } , \frac { 1 } { 3 } \right]
E) (3,3) ( - 3,3 )
F) (3,3]( - 3,3 ]
G) [3,3) [ - 3,3 )
H) [3,3][ - 3,3 ]

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